Buggy code:
public class Priest { private MarriageMaster plugin ; public Priest ( MarriageMaster marriagemaster ) { } @ SuppressWarnings ( "deprecation" ) public void Marry ( CommandSender priest , String [ ] args ) { } @ SuppressWarnings ( "deprecation" ) public void Marry ( Player priest , String [ ] args ) { } public void SelfMarry ( Player player , String otP ) { } @ SuppressWarnings ( "deprecation" ) public void SelfMarry ( Player player , String otP , String Surname ) { Player otherPlayer = Bukkit . getServer ( ) . getPlayer ( otP ) ; if ( ( otherPlayer == null ) || ( ! ( otherPlayer . isOnline ( ) ) ) ) { player . sendMessage ( ( ( ChatColor . RED ) + ( String . format ( plugin . lang . Get ( "Ingame.PlayerNotOn" ) , otP ) ) ) ) ; return ; } if ( player . equals ( otherPlayer ) ) { <START_BUG> player . sendMessage ( ( ( ChatColor . RED ) + ( plugin . lang . Get ( "Ingame.NotYourSelf" ) ) ) ) ; <END_BUG> return ; } if ( plugin . InRadiusAllWorlds ( player , otherPlayer , plugin . config . GetRange ( "Marry" ) ) ) { if ( ! ( plugin . HasPartner ( player ) ) ) { if ( ! ( plugin . HasPartner ( otherPlayer ) ) ) { if ( ! ( HasOpenRequest ( player ) ) ) { if ( ! ( HasOpenRequest ( otherPlayer ) ) ) { plugin . mr . add ( new Marry_Requests ( null , player , otherPlayer , Surname ) ) ; player . sendMessage ( ( ( ChatColor . GREEN ) + ( plugin . lang . Get ( "Ingame.MarryRequestSent" ) ) ) ) ; otherPlayer . sendMessage ( String . format ( plugin . lang . Get ( "Ingame.MarryConfirm" ) , ( ( player . getDisplayName ( ) ) + ( ChatColor . WHITE ) ) ) ) ; } else { player . sendMessage ( ( ( ChatColor . RED ) + ( String . format ( plugin . lang . Get ( "Priest.AlreadyOpenRequest" ) , ( ( otherPlayer . getDisplayName ( ) ) + ( ChatColor . RED ) ) ) ) ) ) ; } } else { player . sendMessage ( ( ( ChatColor . RED ) + ( plugin . lang . Get ( "Ingame.AlreadyOpenRequest" ) ) ) ) ; } } else { player . sendMessage ( ( ( ChatColor . RED ) + ( String . format ( plugin . lang . Get ( "Ingame.OtherAlreadyMarried" ) , ( ( otherPlayer . getDisplayName ( ) ) + ( ChatColor . RED ) ) ) ) ) ) ; } } else { player . sendMessage ( ( ( ChatColor . RED ) + ( plugin . lang . Get ( "Ingame.AlreadyMarried" ) ) ) ) ; } } else { player . sendMessage ( ( ( ChatColor . RED ) + ( plugin . lang . Get ( "Priest.NotInRange" ) ) ) ) ; } } private boolean HasOpenRequest ( Player player ) { } private boolean HasOpenDivorceRequest ( Player player ) { } private void SelfMarryAccept ( Marry_Requests m ) { } public void AcceptMarriage ( Player player ) { } private void SaveMarry ( Player priest , Player player , Player otherPlayer , String surname ) { } private void MarryPlayer ( Player priest , Player player , Player otherPlayer , String surname ) { } private boolean InRadius ( Player player , Player otherPlayer , Player priest ) { } public void setPriest ( String [ ] args , CommandSender sender ) { } @ SuppressWarnings ( "deprecation" ) public void setPriest ( String [ ] args , Player sender ) { } @ SuppressWarnings ( "deprecation" ) public void Divorce ( Player priest , String [ ] args ) { } @ SuppressWarnings ( "deprecation" ) public void Divorce ( CommandSender priest , String [ ] args ) { } @ SuppressWarnings ( "deprecation" ) private void SaveDivorce ( Player player , Player priest ) { } @ SuppressWarnings ( "deprecation" ) public void SelfDivorce ( Player player ) { } @ SuppressWarnings ( "deprecation" ) public void SetSurname ( CommandSender sender , String p , String surname ) { } No newline ; at end ; of file ; }

Fix:
player . sendMessage ( ( ( ChatColor . RED ) + ( plugin . lang . Get ( "Ingame.NotYourself" ) ) ) ) ;